MCQOPTIONS
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MCQOPTIONS
This section includes 37 Mcqs, each offering curated multiple-choice questions to sharpen your Computer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The control unit controls other units by generating |
| A. | control signal |
| B. | timing signal |
| C. | transfer signal |
| D. | command signal |
| E. | None of these |
| Answer» B. timing signal | |
| 2. |
Which among the following is an important circuitry in a computer system that directs the operation of the processor ? |
| A. | Memory |
| B. | Address Bus |
| C. | Accumulator |
| D. | ALU |
| E. | Control unit |
| Answer» F. | |
| 3. |
What is the brain of the computer called ? |
| A. | Keyboard |
| B. | Mouse |
| C. | CPU |
| D. | Printer |
| Answer» D. Printer | |
| 4. |
Processors contain a control unit and a/an : |
| A. | Control unit |
| B. | Primary storage unit |
| C. | Input unit |
| D. | Arithmetic logic unit |
| Answer» E. | |
| 5. |
Which of the following controls the machine cycle ? |
| A. | Control unit |
| B. | Memory unit |
| C. | Logic unit |
| D. | Arithmetic unit |
| E. | None of these |
| Answer» B. Memory unit | |
| 6. |
Which of the following manages computer resources ? |
| A. | ALU |
| B. | BUS |
| C. | Control unit |
| D. | I/O unit |
| E. | Secondary memory |
| Answer» D. I/O unit | |
| 7. |
What is the responsibility of the logical unit in the CPU of a computer ? |
| A. | To produce result |
| B. | To compare numbers |
| C. | To control flow of information |
| D. | To do Maths work |
| E. | None of these |
| Answer» C. To control flow of information | |
| 8. |
........... is when the more power-hungry components, such as the monitor and the hard drive, are put in idle. |
| A. | Hibernation |
| B. | Power down |
| C. | Standby mode |
| D. | The shutdown procedure |
| E. | None of these |
| Answer» D. The shutdown procedure | |
| 9. |
A microprocessor is the brain of the computer and is also called a |
| A. | microchip |
| B. | macrochip |
| C. | macroprocessor |
| D. | calculator |
| E. | software |
| Answer» B. macrochip | |
| 10. |
If a processor has a word size of 32 bits compared to a processor with word size of 16 bits, it can ....... at a time. |
| A. | twice as much |
| B. | half as much |
| C. | thrice as much |
| D. | the same amount |
| E. | a forth as much |
| Answer» B. half as much | |
| 11. |
The basic goal of computer process is to convert the data into |
| A. | files |
| B. | tables |
| C. | information |
| D. | graphs |
| E. | None of these |
| Answer» D. graphs | |
| 12. |
Arithmetic logic unit and control unit sections have special purpose locations called |
| A. | registers |
| B. | RAM |
| C. | BIOS |
| D. | I/O |
| E. | ROM |
| Answer» B. RAM | |
| 13. |
Which part of the computer is used for calculating and comparing ? |
| A. | ALU |
| B. | Control unit |
| C. | Disk unit |
| D. | Modem |
| E. | None of these |
| Answer» B. Control unit | |
| 14. |
The CPU comprises of control, memory and .....units. |
| A. | microprocessor |
| B. | arithmetic/logic |
| C. | output |
| D. | ROM |
| E. | input |
| Answer» C. output | |
| 15. |
Which circuit board is used in all electronic systems such as computer, calculators, digital system ? |
| A. | Architecture |
| B. | Printer |
| C. | Value |
| D. | Register |
| E. | None of these |
| Answer» B. Printer | |
| 16. |
Which of the following executes the computer commands ? |
| A. | Arithmetic unit |
| B. | Logic unit |
| C. | Both '1' and '2' |
| D. | Control unit |
| E. | None of these |
| Answer» D. Control unit | |
| 17. |
The communication line between CPU, memory and peripherals is called a |
| A. | bus |
| B. | line |
| C. | media |
| D. | All of these |
| E. | None of these |
| Answer» B. line | |
| 18. |
To measure the speed of the processor, ....... is used. |
| A. | processing speed |
| B. | clock speed |
| C. | memory |
| D. | unit |
| E. | speed measurement |
| Answer» C. memory | |
| 19. |
The term......... designates equipment that might be added to a computer system to enhance its functionality. |
| A. | digital device |
| B. | system add-on |
| C. | disk pack |
| D. | peripheral device |
| E. | None of these |
| Answer» E. None of these | |
| 20. |
Which instruction is used for loading data into CPU accumulator register from memory ? |
| A. | Load |
| B. | Storage |
| C. | Machine |
| D. | Access |
| E. | Cycle |
| Answer» B. Storage | |
| 21. |
Who invent the first microprocessor ? |
| A. | Vint cefg |
| B. | Terence Percival |
| C. | Heorku |
| D. | Ted Hoff |
| E. | None of the above |
| Answer» E. None of the above | |
| 22. |
The main circuit board of the system unit is |
| A. | computer program |
| B. | control unit |
| C. | motherboard |
| D. | RAM |
| E. | None of these |
| Answer» D. RAM | |
| 23. |
The ........ is responsible for decision-making mechanisms. |
| A. | CPU |
| B. | MU |
| C. | ALU |
| D. | CU |
| E. | None of these |
| Answer» D. CU | |
| 24. |
Which of the following include as type of input ? |
| A. | data |
| B. | programs |
| C. | commands |
| D. | user response |
| E. | All of these |
| Answer» F. | |
| 25. |
.......... selects, interprets and executes instructions in a CPU. |
| A. | Control unit |
| B. | ALU |
| C. | Memory |
| D. | Storage |
| E. | Input unit |
| Answer» B. ALU | |
| 26. |
..... the raw facts from which ...... is derived. |
| A. | Data, information |
| B. | Data, output |
| C. | Input, information |
| D. | Output, input |
| E. | Information, message |
| Answer» B. Data, output | |
| 27. |
........ are special purpose and high speed temporary memory units. |
| A. | registers |
| B. | ALU |
| C. | CU |
| D. | CPU |
| E. | None of these |
| Answer» B. ALU | |
| 28. |
Where does computer add and compare data ? |
| A. | Hard disk |
| B. | Floppy disk |
| C. | CPU chip |
| D. | Memory chip |
| E. | None of these |
| Answer» D. Memory chip | |
| 29. |
Which of the following components is the most essential for the computer system to work ? |
| A. | Input system |
| B. | Output system |
| C. | Storage system |
| D. | Monitor |
| E. | CPU |
| Answer» F. | |
| 30. |
A(n) ....... device is any device that provides information, which is sent to the CPU. |
| A. | input |
| B. | output |
| C. | CPU |
| D. | memory |
| E. | processing |
| Answer» B. output | |
| 31. |
Which is not an integral part of computer ? |
| A. | CPU |
| B. | Mouse |
| C. | Monitor |
| D. | UPS |
| E. | None of these |
| Answer» E. None of these | |
| 32. |
'C' in CPU denotes |
| A. | Common |
| B. | Central |
| C. | Convenient |
| D. | Computer |
| E. | Circuitry |
| Answer» C. Convenient | |
| 33. |
Which of the following company developed the microprocessor ? |
| A. | Intel |
| B. | IBM |
| C. | Microsoft |
| D. | Apple |
| E. | |
| Answer» B. IBM | |
| 34. |
What does ALU in computing denote ? |
| A. | Application and Logic Unit |
| B. | Algorithm Logic Unit |
| C. | Arithmetic Layered Unit |
| D. | Arithmetic Legal Unit |
| E. | Arithmetic Logic Unit |
| Answer» F. | |
| 35. |
The main circuit board in the computer that connects the parts of the computer is the |
| A. | motherboard |
| B. | father board |
| C. | match board |
| D. | hard drive |
| E. | special board |
| Answer» B. father board | |
| 36. |
The word 'computer' usually refers to the central processing unit plus |
| A. | external memory |
| B. | internal memory |
| C. | input devices |
| D. | output devices |
| E. | None of these |
| Answer» C. input devices | |
| 37. |
Which of the following is a part of central processing unit ? |
| A. | Printer |
| B. | Keyboard |
| C. | Mouse |
| D. | Arithmetic Logic Unit |
| E. | All of the above |
| Answer» E. All of the above | |